Enable the accessibility audit for chrome://net-internals

chrome/test/data/webui/net_internals/net_internals_test.js

Index: chrome/test/data/webui/net_internals/net_internals_test.js
diff --git a/chrome/test/data/webui/net_internals/net_internals_test.js b/chrome/test/data/webui/net_internals/net_internals_test.js
index ff5421bad6eb71ab60e5133a720d01c6d3482082..56080651dd58f3cdbb728ee9325c504483f92a36 100644
--- a/chrome/test/data/webui/net_internals/net_internals_test.js
+++ b/chrome/test/data/webui/net_internals/net_internals_test.js
@@ -56,6 +56,15 @@ var NetInternalsTest = (function() {
     isAsync: true,
 
     setUp: function() {
+      // Enforce accessibility auditing, but suppress some false positives.
+      this.accessibilityIssuesAreErrors = true;
+      this.accessibilityAuditConfig().ignoreSelectors(
+          'lowContrastElements', '#timeline-view-selection-ul label');
+      this.accessibilityAuditConfig().ignoreSelectors(
+          'lowContrastElements', '#export-view-save-log-file');
+      this.accessibilityAuditConfig().ignoreSelectors(
+          'lowContrastElements', '#hsts-view-query-output span');
+
       // Wrap g_browser.receive around a test function so that assert and expect
       // functions can be called from observers.
       g_browser.receive =